Medicare Advantage in Fremont County, Wyoming
928 people in Fremont County, Wyoming were enrolled in Medicare Advantage in October 2026, 9.6% of 9,710 eligible beneficiaries (−7.6 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 76% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 6,036 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 3 to 3.
Parent organizations in Fremont County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 673 | new | 76.4% |
| CVS Health Corporation | 88 | −5 | 10.0% |
| UnitedHealth Group, Inc. | 85 | −1,406 | 9.6% |
| Fenyx Health Holdings, Inc. | 18 | new | 2.0% |
| Humana Inc. | 17 | 0 | 1.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,841 beneficiaries in Fremont County were assigned to 59 Medicare Shared Savings Program ACOs, 52.6% of assignable Original Medicare beneficiaries. Together, roughly 57% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.